Has an AFL game ever ended 115-26?
Exactly once. On July 15, 1978, Carlton beat Melbourne 115-26, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 115-26 in league history.
That makes 115-26 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 116-26 has happened never and 115-27 has happened 1 times.